<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .board {
            height: 230px;
            width: 240px;
            margin: 0;
            background-color: bisque;
            border: 1px dashed black;
            border-radius: 10px;
            box-sizing: border-box;            
        }
        .board>.title {
            height: 20px;
            font-size: 20px;
            padding-left: 20px;
            padding-top: 10px;
            padding-bottom: 5px;
            border-bottom: 2px dashed black;
        }
        .board>.item {
            padding-top: 15px;
            text-indent: 2em;
            font-size: 16px;
            line-height: 28px;
        }

    </style>
</head>
<body>
    <div class="board">
        <div class="title">
            <div>广告板</div>
        </div>
        <div class="item">
            <div>清仓大甩卖，全场八折！</div>
            <div>清仓大甩卖，全场八折！</div>
            <div>清仓大甩卖，全场八折！</div>
            <div>清仓大甩卖，全场八折！</div>
        </div>
    </div>
    
</body>
</html>